7.940 in. Min, 8.120 in. Max compressed lg, 12.940 in. Min, 13.120 in. Max extended lg, 4.060 in. Min, 5.040 in. Max lg stroke, 0.130 in. Min, 0.150 in.Max pin travel, adjust end stop part no.816202-3 on housing part no. 815753-401 so that a friction force18 to 22 lbs is required to move tube assembly part no. 814746-407 thruwedge ring part no. 816201-3, end play not to exceed 0.003 in., enamelfinish